70,000 (2002 census), decreasing. No monolinguals. Ethnic population: 70,000.
Mindanao, Davao del Sur Province, southwest of Davao city, inland along coast; Compostela Valley and Davao del Norte provinces, including Samal and associated islands, and inland on easern shores of Davao gulf; Davao Oriental Plrovince, highlands; some in North Cotabato Province; dialects: Isamal dialect: Samal Island; western: Davao Oriental Province; Lupon: Davao del Sur Province, along the gulf down to Hagonoy and Guihing near Digos city; eastern: mainly Davao Oriental Province.
VOS, VSO; prepositions; articles before adjectives, before numerals, before noun heads; question word in sentence-initial position; 3 maximum prefixes, 2 maximum suffixes.
Strong in communities that are mainly Kalagan, but in mixed communities speakers tend to use Cebuano [ceb]. Youth bilingual in Cebuano, some are losing Kalagan ability. Home, neighborhood, religion. Adults; youth only in solid Kalagan communities. Also use Cebuano [ceb], English [eng], Tagalog [tgl]. Used as L2 by Koronadal Blaan [bpr], Tausug [tsg].
Latin script [Latn].